HY

Hiroyuki Yamaguchi

Sumitomo Electric Industries: 2 patents #124 of 1,127Top 15%
TL Toyota Central R&D Labs: 1 patents #26 of 99Top 30%
KK Kokusai Denki Kabushiki Kaisha: 1 patents #2 of 4Top 50%
NT NTT: 1 patents #30 of 180Top 20%
📍 Yokohama, JP: #12 of 146 inventorsTop 9%
Overall (1989): #2,799 of 140,708Top 2%
5
Patents 1989

Issued Patents 1989

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4834205 Apparatus for controlling steering of wheels of a vehicle Masahiko Mizuno, Yasushi Amano, Eiichi Yasuda, Shunichi Doi, Yasutaka Hayashi 1989-05-30
4833664 Servo system for scanning the same track circumference of a spiral track on a disc shaped recording medium Kazuharu Shiragami, Mirsuro Moriya 1989-05-23
4807206 Track jump detection system Mitsuro Moriya, Toshiji Kanamaru, Kazuharu Shiragami, Katsuya Watanabe 1989-02-21
4802240 Synchronous receiving method for selective calling signal Naomi Yokoyama 1989-01-31
4796024 Selective calling receiver with automatic memory storage and turn-on indication Kazushige Sakoh, Hiroshi Arakawa, Tatsuaki Sekigawa, Toshiyasu Takasugi, Shinjiro Umetsu +1 more 1989-01-03